CVE-2014-0143 Details

CVE-2014-0143

Published: 2017-08-10
Last Modified: 2019-04-22
CVE Author: NIST National Vulnerability Database
CVE Assigner: secalert@redhat.com
Summary

Multiple integer overflows in the block drivers in QEMU, possibly before 2.0.0, allow local users to cause a denial of service (crash) via a crafted catalog size in (1) the parallels_open function in block/parallels.c or (2) bochs_open function in bochs.c, a large L1 table in the (3) qcow2_snapshot_load_tmp in qcow2-snapshot.c or (4) qcow2_grow_l1_table function in qcow2-cluster.c, (5) a large request in the bdrv_check_byte_request function in block.c and other block drivers, (6) crafted cluster indexes in the get_refcount function in qcow2-refcount.c, or (7) a large number of blocks in the cloop_open function in cloop.c, which trigger buffer overflows, memory corruption, large memory allocations and out-of-bounds read and writes.

Analysis
Common Vulnerability Score System v2.0
Severity Medium
Base Score 4.4/10
Exploit Score 3.4/10
Access Vector Local
Access Complexity Medium
Authentication None
Impact Score 6.4/10
Confidentiality Impact Partial
Availability Impact Partial
Integrity Impact Partial
Vector String AV:L/AC:M/Au:N/C:P/I:P/A:P
Common Vulnerability Score System v3.1
Severity High
Base Score 7/10
Exploit Score 1/10
Access Vector Local
Access Complexity High
Privileges Required Low
Impact Score 5.9/10
Confidentiality Impact High
Availability Impact High
Integrity Impact High
Scope Unchanged
User Interaction None
Vector String CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Products Reported
CPE Vulnerable Start Excluding
cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:* Yes - -
cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:* Yes - -
References

https://bugzilla.redhat.com/show_bug.cgi?id=1079140
http://rhn.redhat.com/errata/RHSA-2014-0421.html
http://rhn.redhat.com/errata/RHSA-2014-0420.html
http://git.qemu.org/?p=qemu.git;a=commit;h=e3737b820b45e54b059656dc3f914f895ac7a88b
http://git.qemu.org/?p=qemu.git;a=commit;h=db8a31d11d6a60f48d6817530640d75aa72a9a2f
http://git.qemu.org/?p=qemu.git;a=commit;h=cab60de930684c33f67d4e32c7509b567f8c445b
http://git.qemu.org/?p=qemu.git;a=commit;h=afbcc40bee4ef51731102d7d4b499ee12fc182e1
http://git.qemu.org/?p=qemu.git;a=commit;h=8f4754ede56e3f9ea3fd7207f4a7c4453e59285b
http://git.qemu.org/?p=qemu.git;a=commit;h=6a83f8b5bec6f59e56cc49bd49e4c3f8f805d56f
http://git.qemu.org/?p=qemu.git;a=commit;h=509a41bab5306181044b5fff02eadf96d9c8676a
http://www.debian.org/security/2014/dsa-3044

CVE ID
CVE-2014-0143
Published
2017-08-10
Modified
2019-04-22
CVSSv2.0
Medium
CVSSv3.1
High
PCI Compliance
Fail
US-CERT Alert
No
CWE
CWE-190

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